./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:13:15,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:13:15,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:13:15,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:13:15,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:13:15,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:13:15,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:13:15,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:13:15,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:13:15,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:13:15,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:13:15,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:13:15,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:13:15,352 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:13:15,352 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:13:15,352 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:13:15,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:13:15,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:13:15,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:13:15,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:13:15,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:13:15,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:13:15,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:13:15,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a [2024-12-05 23:13:15,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:13:15,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:13:15,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:13:15,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:13:15,609 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:13:15,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/square_8.i [2024-12-05 23:13:18,271 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data/76cd2a6b3/be46a233a3ac418ea0957230dd949797/FLAG4295d53ac [2024-12-05 23:13:18,445 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:13:18,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/sv-benchmarks/c/floats-cdfpl/square_8.i [2024-12-05 23:13:18,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data/76cd2a6b3/be46a233a3ac418ea0957230dd949797/FLAG4295d53ac [2024-12-05 23:13:18,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data/76cd2a6b3/be46a233a3ac418ea0957230dd949797 [2024-12-05 23:13:18,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:13:18,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:13:18,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:13:18,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:13:18,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:13:18,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:13:18" (1/1) ... [2024-12-05 23:13:18,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440f8bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:18, skipping insertion in model container [2024-12-05 23:13:18,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:13:18" (1/1) ... [2024-12-05 23:13:18,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:13:18,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2024-12-05 23:13:18,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:13:18,981 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:13:18,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2024-12-05 23:13:18,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:13:19,003 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:13:19,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19 WrapperNode [2024-12-05 23:13:19,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:13:19,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:13:19,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:13:19,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:13:19,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,028 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-12-05 23:13:19,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:13:19,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:13:19,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:13:19,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:13:19,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,039 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:13:19,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:13:19,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:13:19,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:13:19,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:13:19,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:13:19,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:13:19,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:13:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:13:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:13:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:13:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:13:19,149 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:13:19,151 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:13:19,223 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 23:13:19,223 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:13:19,251 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:13:19,252 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:13:19,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:19 BoogieIcfgContainer [2024-12-05 23:13:19,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:13:19,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:13:19,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:13:19,259 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:13:19,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:19" (1/1) ... [2024-12-05 23:13:19,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:13:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 23:13:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 23:13:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:13:19,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:13:19,364 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:13:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:13:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:13:19,398 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:13:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:13:19,408 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:13:19,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:13:19 ImpRootNode [2024-12-05 23:13:19,420 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:13:19,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:13:19,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:13:19,421 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:13:19,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:19" (3/4) ... [2024-12-05 23:13:19,423 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:13:19,424 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:13:19,425 INFO L158 Benchmark]: Toolchain (without parser) took 585.11ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 85.3MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:13:19,425 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:19,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.73ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:13:19,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.16ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:19,426 INFO L158 Benchmark]: Boogie Preprocessor took 14.06ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.9MB in the end (delta: 627.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:19,426 INFO L158 Benchmark]: RCFGBuilder took 208.21ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 95.3MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:13:19,426 INFO L158 Benchmark]: CodeCheck took 167.62ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 85.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:13:19,427 INFO L158 Benchmark]: Witness Printer took 3.26ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 85.3MB in the end (delta: 189.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:19,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 38]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 37, overapproximation of someBinaryFLOATComparisonOperation at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L30] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L32] float x = IN; [L34-L35] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L37] COND TRUE !(result >= 0.0f && result < 1.5f) [L38] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.73ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.16ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.06ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.9MB in the end (delta: 627.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 208.21ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 95.3MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 167.62ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 85.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.26ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 85.3MB in the end (delta: 189.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:13:19,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:13:21,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:13:21,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:13:21,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:13:21,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:13:21,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:13:21,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:13:21,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:13:21,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:13:21,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:13:21,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:13:21,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:13:21,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:13:21,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:13:21,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:13:21,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:13:21,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:13:21,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:13:21,518 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:21,518 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:13:21,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:13:21,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:13:21,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:13:21,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:13:21,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:13:21,519 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:13:21,519 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:21,519 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:13:21,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a [2024-12-05 23:13:21,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:13:21,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:13:21,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:13:21,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:13:21,761 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:13:21,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/square_8.i [2024-12-05 23:13:24,480 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data/9b8e1127a/85d66a7e91694515b7fb36a2488e2047/FLAG21d95d44f [2024-12-05 23:13:24,665 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:13:24,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/sv-benchmarks/c/floats-cdfpl/square_8.i [2024-12-05 23:13:24,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data/9b8e1127a/85d66a7e91694515b7fb36a2488e2047/FLAG21d95d44f [2024-12-05 23:13:24,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/data/9b8e1127a/85d66a7e91694515b7fb36a2488e2047 [2024-12-05 23:13:24,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:13:24,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:13:24,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:13:24,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:13:24,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:13:24,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd2207c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24, skipping insertion in model container [2024-12-05 23:13:24,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:13:24,826 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2024-12-05 23:13:24,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:13:24,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:13:24,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2024-12-05 23:13:24,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:13:24,871 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:13:24,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24 WrapperNode [2024-12-05 23:13:24,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:13:24,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:13:24,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:13:24,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:13:24,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,901 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-12-05 23:13:24,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:13:24,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:13:24,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:13:24,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:13:24,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:13:24,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:13:24,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:13:24,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:13:24,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:24" (1/1) ... [2024-12-05 23:13:24,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:13:24,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:13:24,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:13:24,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:13:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:13:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:13:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:13:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:13:25,039 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:13:25,041 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:13:35,194 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 23:13:35,194 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:13:35,240 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:13:35,240 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:13:35,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:35 BoogieIcfgContainer [2024-12-05 23:13:35,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:13:35,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:13:35,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:13:35,251 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:13:35,251 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:35" (1/1) ... [2024-12-05 23:13:35,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:13:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 23:13:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 23:13:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:13:35,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:35,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:35,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:35,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:35,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:13:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:38,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:13:48,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:13:48,581 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:13:48,585 INFO L158 Benchmark]: Toolchain (without parser) took 23896.30ms. Allocated memory is still 92.3MB. Free memory was 70.5MB in the beginning and 67.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-05 23:13:48,585 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:48,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.90ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 58.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:13:48,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.45ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 57.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:48,586 INFO L158 Benchmark]: Boogie Preprocessor took 21.04ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.8MB in the end (delta: 848.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:48,587 INFO L158 Benchmark]: RCFGBuilder took 10317.40ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 45.5MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:13:48,587 INFO L158 Benchmark]: CodeCheck took 13342.10ms. Allocated memory is still 92.3MB. Free memory was 45.5MB in the beginning and 67.7MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:48,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.90ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 58.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.45ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 57.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.04ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.8MB in the end (delta: 848.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10317.40ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 45.5MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13342.10ms. Allocated memory is still 92.3MB. Free memory was 45.5MB in the beginning and 67.7MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:13:48,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3908467-bd60-4205-8404-02f5aeae8432/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown